A lock has a 3-number code made up of 29 numbers. If none of the numbers are allowed to repeat, how many different ways can you choose three different numbers in order for a unique code?

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

faster, im not sure why but i know it is faster